Seco 00064406 Laydown Threading Insert 12 Tpi Un Carbide

Product Description

The SECO 00064406 is a solid carbide laydown threading insert engineered for right-hand internal UN thread cutting at 12 threads per inch (TPI). Part of the Snap-Tap series, it features a PVD-applied TiAlN/TiN coating that extends tool life across a broad range of workpiece materials. The insert carries a manufacturer grade of CP500 and is built to ISO standards. With a 3/8-inch inscribed circle and a 0.1366-inch thickness, this insert seats reliably in compatible laydown-style toolholders. It is used by machinists and toolroom technicians on CNC lathes and threading equipment requiring precise internal thread form geometry at a 60-degree included angle.

This insert is suited for internal UN thread applications across universal workpiece material categories, including cast iron, steel, non-ferrous metals, high-temperature alloys, and stainless steel (ISO material codes K, M, N, P, and S). The Snap-Tap series is designed for production and job-shop threading operations where consistent thread form and repeatable insert indexing are required. It is appropriate for both light production runs and high-mix environments where toolholder compatibility with the 16NR insert style is already established.

Key Features

• Solid carbide substrate with PVD TiAlN/TiN coating for extended wear resistance
• Right-hand internal UN thread form at 60-degree included angle, 12 TPI
• CP500 manufacturer grade rated for universal workpiece materials (ISO K, M, N, P, S)
• 3/8-inch inscribed circle for secure, repeatable seating in 16NR-style toolholders
• ISO-standard geometry ensures consistent thread form accuracy
• Part of the Snap-Tap series for straightforward indexing and insert changeover

Compatibility

Designed for use in toolholders accepting the 16NR laydown insert style. Confirm toolholder pocket geometry and insert style designation before installation.

Installation Notes

Installation should be performed by a qualified machinist or toolroom technician. Power down and lock out the machine spindle before seating or indexing the insert. Use the appropriate torque wrench and clamping screw as specified by the toolholder manufacturer — do not over-torque the clamping screw, as this can fracture the carbide substrate. Verify insert seating and thread form with a thread gauge before returning the machine to production.